JA

Jiří Arnošt

CZECZEMen
Birth dateJan 1, 2006
Height-
Weight-

Jiří Arnošt is a Czechia sprinter, born on January 1, 2006. He competes primarily in the 10Kilometr, 5000m-short-track and 10,000Metr.

His personal bests include 48:47 in the 10Kilometr, 25:43.02 in the 5000m-short-track, 48:46.10 in the 10,000Metr and 1:48:15 in the HalfMarath. He is currently active on the international athletics circuit, representing Czechia.

Key facts
10 Kilometres Road
48:47
2026 season best
48:46.10
Jun 12, 2026 · Mestský Stadion Sletište, Kladno (CZE)
2026 season best
Last competition
Czech Team Championships
Sep 5, 2026 · 23:39.29
Czech Team Championships
Age
20 years old

As of Sep 13, 2026: 10 Kilometres Road 48:47, 2026 season best 48:46.10 (Jun 12, 2026, Mestský Stadion Sletište, Kladno (CZE)) · Last competition: Czech Team Championships, Sep 5, 2026, 23:39.29 · 20 years old

PB

Personal bests

48:47
25:43.02
48:46.10
1:48:15

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
5000Metres
23:39.29-Sep 5, 2026-Czech Team Championships
2026
10,000Metr
48:46.10-Jun 12, 2026
↑
Czech 10,000m Race Walking Championships
2026
10Kilometr
48:46.10-Jun 12, 2026
↑
Czech 10,000m Race Walking Championships
2026
HalfMarath
1:48:15-May 8, 2026-94th Poděbrady Walking
2025
20kmW
25:43.02-Aug 16, 2025-Czech Team Championships, Mestský Stadion, Ostrava
2025
5000m-short-track
25:43.02-Aug 16, 2025-Czech Team Championships, Mestský Stadion, Ostrava
2025
10Kilometr
51:34-Oct 25, 2025
↑
Lusatian Race Walking
2025
10,000Metr
52:26.58-Jun 8, 2025
↑
2. kolo extraligy

2026

6 performances
DisciplineResultWindDateCompetitions
5000Metres
23:39.29-Sep 5Czech Team Championships
10Kilometr
48:46.10-Jun 12Czech 10,000m Race Walking Championships
10,000Metr
48:46.10-Jun 12Czech 10,000m Race Walking Championships
10Kilometr
48:47-May 23Chůze pro 2. kolo extraligy a 3. kolo I. a II. ligy mužů a žen 10 km
HalfMarath
1:48:15-May 894th Poděbrady Walking
20kmW
DQ-Feb 28Czech Indoor Race Walking Championships

2025

7 performances
DisciplineResultWindDateCompetitions
10Kilometr
51:34-Oct 25Lusatian Race Walking
5000m-short-track
25:43.02-Aug 16Czech Team Championships, Mestský Stadion, Ostrava
20kmW
25:43.02-Aug 16Czech Team Championships, Mestský Stadion, Ostrava
10Kilometr
53:42.15-Jul 19International U20 Match
10,000Metr
53:42.15-Jul 19International U20 Match
10,000Metr
52:26.58-Jun 82. kolo extraligy
10Kilometr
52:26.58-Jun 82. kolo extraligy

Honours

No medals

FAQ

Frequently asked questions

What is Jiří Arnošt's 10 Kilometres Road personal best?

Jiří Arnošt's 10 Kilometres Road personal best is 48:47, set on May 23, 2026 in Mestský Stadion Sletište, Kladno (CZE).

Which events does Jiří Arnošt compete in?

Jiří Arnošt competes in the 10 Kilometres Road.

How did Jiří Arnošt perform in 2026?

2026 season best: 48:46.10, set on Jun 12, 2026 in Mestský Stadion Sletište, Kladno (CZE). Last competition: Czech Team Championships on Sep 5, 2026, 23:39.29.